Home / 505,710,596,277.45-758,610,488,478.80-142,679,438,344.60

Finding the Fourth Proportional to 505,710,596,277.45, 758,610,488,478.80 and 142,679,438,344.60

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Solution

The fourth proportional to 505,710,596,277.45, 758,610,488,478.80 and 142,679,438,344.60 is: 214,031,739,131.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,710,596,277.45 : 758,610,488,478.80 = 142,679,438,344.60 : x
  2. Step 2: Convert to fraction form
    505,710,596,277.45/758,610,488,478.80 = 142,679,438,344.60/x
  3. Step 3: Cross multiply
    505,710,596,277.45x = 758,610,488,478.80 × 142,679,438,344.60
  4. Step 4: Simplify right side
    505,710,596,277.45x = 108,238,118,418,477,840,596,992
  5. Step 5: Solve for x
    x = 108,238,118,418,477,840,596,992/505,710,596,277.45
  6. Step 6: Final answer
    x = 214,031,739,131.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.